Home / 112,464.14-168,779.25-53,299.98

Finding the Fourth Proportional to 112,464.14, 168,779.25 and 53,299.98

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Solution

The fourth proportional to 112,464.14, 168,779.25 and 53,299.98 is: 79,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,464.14 : 168,779.25 = 53,299.98 : x
  2. Step 2: Convert to fraction form
    112,464.14/168,779.25 = 53,299.98/x
  3. Step 3: Cross multiply
    112,464.14x = 168,779.25 × 53,299.98
  4. Step 4: Simplify right side
    112,464.14x = 8,995,930,649.42
  5. Step 5: Solve for x
    x = 8,995,930,649.42/112,464.14
  6. Step 6: Final answer
    x = 79,989.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.